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bflatasticandClaude Opus 5.5
67b9b20a07
What: each property row that can take an expression (it has a stopwatch) now has a property pick whip in the Parent & Link column, as in After Effects CC 2018 and later (automation id `timeline.prop.<uid>.propertyPickWhip`). Dragged onto another property's name or one of its values, it runs `prop.pickWhip`: the reference is added as the property's expression, or replaces the one it has, and the expression is enabled. A drop on one value picks that dimension (`position[1]`). The parent, expression and property pick whips share one widget and one drop path (rubber band, autoscroll, dimension pick); only the expression pick whip inserts at the cursor of an expression being edited. Pick whips (expression and property) now also drop on properties in Effect Controls: its property rows register as targets while a pick whip is dragged, with their per-dimension value fields. Why: the last part of #363. Adobe's docs say the Property Link pick whip adds the expression without enabling expressions first, and a pick whip outside an edit replaces the whole expression text. No modifier keys for the property pick whip are documented, so none are implemented. Tests: `the_property_pick_whip_links_a_property_to_another` (ui_inline_edit) drops it on a property's name, on one of Position's values, on a property with a disabled expression (replaced and enabled), on an Effect Controls slider and one value of a point, and on itself (no change). It fails before the change; with Effect Controls' targets removed it fails at the slider. Looked at the result with the headless snapshot. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>